| (19) |
 |
|
(11) |
EP 1 243 571 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
15.01.2003 Bulletin 2003/03 |
| (43) |
Date of publication A2: |
|
25.09.2002 Bulletin 2002/39 |
| (22) |
Date of filing: 19.03.2002 |
|
|
| (84) |
Designated Contracting States: |
|
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR |
|
Designated Extension States: |
|
AL LT LV MK RO SI |
| (30) |
Priority: |
20.03.2001 US 277214 P
|
| (71) |
Applicant: Atofina Chemicals, Inc. |
|
Philadelphia, PA 19103-3222 (US) |
|
| (72) |
Inventors: |
|
- Lou, Jianfeng
Wayne, Pennsylvania 19087 (US)
- Nosowitz, Martin
Paoli, Pennsylvania 19301 (US)
|
| (74) |
Representative: Treuil, Claude |
|
Atofina Département Propriété Industrielle 4-8 cours Michelet La Défense 10
92091 Paris La Défense Cedex
92091 Paris La Défense Cedex (FR) |
|
| |
|
| (54) |
Stabilisation of vinyl monomers by compositions based on alkylhydroxylamines |
(57) The present invention relates to compositions for stabilizing vinyl polymers which
include an alkyl hydroxyl amine and a sulfide compound or at least two alkyl hydroxyl
amines and a phenolic compound.
It relates also to a process for the stabilization of dienes, vinyl aromatic monomers,
or acylic acid and its esters.